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Michael,
No such luck with the Mark IV... :-)
So, that's just a simple union?
- Tom
On Thu, Jun 4, 2015 at 2:12 PM, Michael Salter <michaelsalter@gmail.com>
wrote:
> No proportioning valve in a Healey..Unless yours is a Mk IV 3000.
>
> Michael S
> BN1 #174
>
> On Thu, Jun 4, 2015 at 1:17 PM, Tom <ah3000me@gmail.com> wrote:
>
>> The PO converted to DOT5 (Silicone) about 10 years ago. The shop
>> replaced the master brake cylinder, all the flex hoses, the rear wheel
>> cylinders, the servo (I think), and flushed the whole system before addi=
ng
>> DOT5. I replaced the front calipers about two years ago.
>>
>> I agree, it would be unusual to have both front flex hoses go bad at the
>> same time.
>>
>> Is it possible that the proportioning valve is bad? I'm puzzled why th=
e
>> rear brakes are fine and the front brakes are locking. Or is that just =
a
>> red herring?
>>
>> - Tom
>>
>>
>>
>> On Thu, Jun 4, 2015 at 9:44 AM, Michael <michael.salter@gmail.com> wrote=
:
>>
>>> Yes Tom,
>>> Old flex hoses although, unusual to have both fronts go bad at the same
>>> time.
>>> Michael S
>>> BN1 #174
>>> ------------------------------
>>> From: Tom <ah3000me@gmail.com>
>>> Sent: =E2=80=8E4/=E2=80=8E06/=E2=80=8E2015 9:42 a.m.
>>> To: Healey Mail List <healeys@autox.team.net>
>>> Subject: [Healeys] BJ8 front brake lockup
>>>
>>> Hello all,
>>>
>>> I've had a bit of problem with the brakes locking this season. After i=
t
>>> happened the second time, I pulled the vacuum line form the servo and
>>> plugged it. I put a few hundred miles on the car with the vacuum line =
off
>>> the servo, and the brakes have worked great.
>>>
>>> This morning, I backed out the driveway, and I noticed the car wouldn't
>>> roll downhill. I pulled it back into the garage, and jacked it up to s=
ee
>>> where the wheels were locking.
>>>
>>> The rear wheels turned freely, slight drag on the right rear.
>>>
>>> By hand, the front wheels would not turn at all. Neither one.
>>>
>>> Does unplugging vacuum from the servo completely remove the servo from
>>> the equation? Could a servo without vacuum still cause locking problem=
s?
>>> I believe my servo is a Lockheed unit, put on by the PO, and the servo
>>> doesn't look that old.
>>>
>>> The front calipers are recent rebuilds (2 years ago). Anything else
>>> that could cause the front brakes to lock up?
>>>
>>> thanks!
>>>
>>> Tom
>>>
>>>
>>>
>>>
>>
>
>
> --
> *If you can't fix it with a hammer, you've got an electrical problem.*
>
>
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<div dir=3D"ltr"><div>Michael,</div><div><br></div>No such luck with the Ma=
rk IV... =C2=A0:-)<div><br></div><div>So, that's just a simple union?</=
div><div><br></div><div>- Tom</div></div><div class=3D"gmail_extra"><br><di=
v class=3D"gmail_quote">On Thu, Jun 4, 2015 at 2:12 PM, Michael Salter <spa=
n dir=3D"ltr"><<a href=3D"mailto:michaelsalter@gmail.com"; target=3D"_bla=
nk">michaelsalter@gmail.com</a>></span> wrote:<br><blockquote class=3D"g=
mail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-l=
eft:1ex"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family=
:comic sans ms,sans-serif;font-size:small">No proportioning valve in a Heal=
ey..Unless yours is a Mk IV 3000.<br><br></div><div class=3D"gmail_default"=
style=3D"font-family:comic sans ms,sans-serif;font-size:small">Michael S<b=
r></div><div class=3D"gmail_default" style=3D"font-family:comic sans ms,san=
s-serif;font-size:small">BN1 #174<br></div></div><div class=3D"gmail_extra"=
><div><div class=3D"h5"><br><div class=3D"gmail_quote">On Thu, Jun 4, 2015 =
at 1:17 PM, Tom <span dir=3D"ltr"><<a href=3D"mailto:ah3000me@gmail.com"=
target=3D"_blank">ah3000me@gmail.com</a>></span> wrote:<br><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex"><div dir=3D"ltr">The PO converted to DOT5 (Silicone) abo=
ut 10 years ago.=C2=A0 The shop replaced the master brake cylinder, all the=
flex hoses, the rear wheel cylinders, the servo (I think), and flushed the=
whole system before adding DOT5.=C2=A0 I replaced the front calipers about=
two years ago.<div><br></div><div>I agree, it would be=C2=A0<span style=3D=
"font-family:Calibri,sans-serif;font-size:14.6666669845581px">unusual to ha=
ve both front flex hoses go bad at the same time.</span></div><div><span st=
yle=3D"font-family:Calibri,sans-serif;font-size:14.6666669845581px"><br></s=
pan></div><div><span style=3D"font-family:Calibri,sans-serif;font-size:14.6=
666669845581px">Is it possible that the proportioning valve is bad? =C2=A0 =
I'm puzzled why the rear brakes are fine and the front brakes are locki=
ng.=C2=A0 Or is that just a red herring?</span></div><span><font color=3D"#=
888888"><div><span style=3D"font-family:Calibri,sans-serif;font-size:14.666=
6669845581px"><br></span></div><div><span style=3D"font-family:Calibri,sans=
-serif;font-size:14.6666669845581px">- Tom</span></div><div><span style=3D"=
font-family:Calibri,sans-serif;font-size:14.6666669845581px"><br></span></d=
iv><div><span style=3D"font-family:Calibri,sans-serif;font-size:14.66666698=
45581px"><br></span></div></font></span></div><div><div><div class=3D"gmail=
_extra"><br><div class=3D"gmail_quote">On Thu, Jun 4, 2015 at 9:44 AM, Mich=
ael <span dir=3D"ltr"><<a href=3D"mailto:michael.salter@gmail.com"; targe=
t=3D"_blank">michael.salter@gmail.com</a>></span> wrote:<br><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex"><div><div><div style=3D"font-family:Calibri,sans-serif;f=
ont-size:11pt">Yes Tom,<br>Old flex hoses although, unusual to have both fr=
onts go bad at the same time.<br>Michael S<br>BN1 #174</div></div><div dir=
=3D"ltr"><hr><span style=3D"font-family:Calibri,sans-serif;font-size:11pt;f=
ont-weight:bold">From: </span><span style=3D"font-family:Calibri,sans-serif=
;font-size:11pt"><a href=3D"mailto:ah3000me@gmail.com"; target=3D"_blank">To=
m</a></span><br><span style=3D"font-family:Calibri,sans-serif;font-size:11p=
t;font-weight:bold">Sent: </span><span style=3D"font-family:Calibri,sans-se=
rif;font-size:11pt">=E2=80=8E4/=E2=80=8E06/=E2=80=8E2015 9:42 a.m.</span><b=
r><span style=3D"font-family:Calibri,sans-serif;font-size:11pt;font-weight:=
bold">To: </span><span style=3D"font-family:Calibri,sans-serif;font-size:11=
pt"><a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">Healey Mail=
List</a></span><br><span style=3D"font-family:Calibri,sans-serif;font-size=
:11pt;font-weight:bold">Subject: </span><span style=3D"font-family:Calibri,=
sans-serif;font-size:11pt">[Healeys] BJ8 front brake lockup</span><br><br><=
/div><div><div><div dir=3D"ltr"><div>Hello all,</div><div><br></div>I'v=
e had a bit of problem with the brakes locking this season.=C2=A0 After it =
happened the second time, I pulled the vacuum line form the servo and plugg=
ed it.=C2=A0 I put a few hundred miles on the car with the vacuum line off =
the servo, and the brakes have worked great.<div><br></div><div>This mornin=
g, I backed out the driveway, and I noticed the car wouldn't roll downh=
ill.=C2=A0 I pulled it back into the garage, and jacked it up to see where =
the wheels were locking.</div><div><br></div><div>The rear wheels turned fr=
eely, slight drag on the right rear.</div><div><br></div><div>By hand, the =
front wheels would not turn at all.=C2=A0 Neither one.</div><div><br></div>=
<div>Does unplugging vacuum from the servo completely remove the servo from=
the equation?=C2=A0 Could a servo without vacuum still cause locking probl=
ems? =C2=A0 I believe my servo is a Lockheed unit, put on by the PO, and th=
e servo doesn't look that old.</div><div><br></div><div>The front calip=
ers are recent rebuilds (2 years ago). =C2=A0 Anything else that could caus=
e the front brakes to lock up?</div><div><br></div><div>thanks!</div><div><=
br></div><div>Tom</div><div><br></div><div><br></div><div><br></div></div>
</div></div></div></blockquote></div><br></div>
</div></div></blockquote></div><br><br clear=3D"all"><br></div></div><span =
class=3D"HOEnZb"><font color=3D"#888888">-- <br><div><div dir=3D"ltr"><div>=
<div dir=3D"ltr"><i><font size=3D"2"><span style=3D"color:black">If you can=
't fix it with a hammer, you've got an electrical problem.</span></=
font></i><br><br><div></div><div></div><div></div></div></div></div></div>
</font></span></div>
</blockquote></div><br></div>
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